Table 3. Contingency table of reported “color”.

		Sibling 1
		White	Brown	Black	Total
							Kappa	p
	White	16	10	0	26		0.407	<0.001
Sibling 2	Brown	12	37	5	54		0.272	0.011
	Black	0	3	3	6		0.379	<0.001
	Total	28	50	8	86		0.342	<0.001